These entries are queried from radb.net using whois, you can try my project getting these.
:AS58736 route: 43.229.208.0/22 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:11Z source: APNIC rpki-ov-state: valid route: 43.229.208.0/23 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:13Z source: APNIC rpki-ov-state: valid route: 43.229.208.0/24 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:15Z source: APNIC rpki-ov-state: valid route: 43.229.209.0/24 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:17Z source: APNIC rpki-ov-state: valid route: 43.229.210.0/23 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:20Z source: APNIC rpki-ov-state: valid route: 43.229.210.0/24 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:22Z source: APNIC rpki-ov-state: valid route: 43.229.211.0/24 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2021-01-20T07:55:24Z source: APNIC rpki-ov-state: valid route: 103.30.188.0/22 descr: route object of DFLL origin: AS58736 country: BD mnt-lower: MAINT-DFLL-BD mnt-routes: MAINT-DFLL-BD mnt-by: MAINT-DFLL-BD last-modified: 2012-11-14T02:53:19Z source: APNIC rpki-ov-state: valid route: 103.30.188.0/23 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22 (4th floor), Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2019-04-03T08:33:12Z source: APNIC rpki-ov-state: valid route: 103.30.188.0/24 descr: 188-route object of DFLL origin: AS58736 country: BD mnt-lower: MAINT-DFLL-BD mnt-routes: MAINT-DFLL-BD mnt-by: MAINT-DFLL-BD last-modified: 2013-07-14T08:30:21Z source: APNIC rpki-ov-state: valid route: 103.30.189.0/24 descr: 189-route object of DFLL origin: AS58736 country: BD mnt-lower: MAINT-DFLL-BD mnt-routes: MAINT-DFLL-BD mnt-by: MAINT-DFLL-BD last-modified: 2013-07-14T08:30:58Z source: APNIC rpki-ov-state: valid route: 103.30.190.0/23 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22 (4th floor), Road-13C , Block-E Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2019-04-03T08:33:13Z source: APNIC rpki-ov-state: valid route: 103.30.190.0/24 descr: 190-route object of DFLL origin: AS58736 country: BD mnt-lower: MAINT-DFLL-BD mnt-routes: MAINT-DFLL-BD mnt-by: MAINT-DFLL-BD last-modified: 2013-07-14T08:31:20Z source: APNIC rpki-ov-state: valid route: 103.30.191.0/24 descr: 191-route object of DFLL origin: AS58736 country: BD mnt-lower: MAINT-DFLL-BD mnt-routes: MAINT-DFLL-BD mnt-by: MAINT-DFLL-BD last-modified: 2013-07-14T08:31:43Z source: APNIC rpki-ov-state: valid route6: 2401:3580::/32 origin: AS58736 descr: Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E, Banani, Dhaka-1213 mnt-by: MAINT-DFLL-BD last-modified: 2022-01-16T09:44:58Z source: APNIC rpki-ov-state: valid